331213130221000 has 64 divisors (see below), whose sum is σ = 775407971520000. Its totient is φ = 132422132977600.

The previous prime is 331213130220997. The next prime is 331213130221019. The reversal of 331213130221000 is 122031312133.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76798840 + ... + 80996839.

It is an arithmetic number, because the mean of its divisors is an integer number (12115749555000).

Almost surely, 2^{331213130221000} is an apocalyptic number.

It is an amenable number.

331213130221000 is an abundant number, since it is smaller than the sum of its proper divisors (444194841299000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331213130221000 is a wasteful number, since it uses less digits than its factorization.

331213130221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157797799 (or 157797785 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 331213130221000 its reverse (122031312133), we get a palindrome (331335161533133).

The spelling of 331213130221000 in words is "three hundred thirty-one trillion, two hundred thirteen billion, one hundred thirty million, two hundred twenty-one thousand".